fix: complete parent PUT when child subscribe finishes

- Treat LocalSubscribeComplete for sub-ops as completion to unblock parent PUTs
- Add logging when root ops await sub-ops for clarity during debugging

Author: sanity

crates/core/src/node/network_bridge/p2p_protoc.rs

@@ -976,6 +976,13 @@ impl P2pConnManager {
                             } => {
                                 tracing::debug!(%tx, %key, "local subscribe complete");
 
+                                // If this is a child operation, complete it and let the parent flow handle result delivery.
+                                if op_manager.is_sub_operation(tx) {
+                                    tracing::info!(%tx, %key, "completing child subscribe operation");
+                                    op_manager.completed(tx);
+                                    continue;
+                                }
+
                                 if !op_manager.is_sub_operation(tx) {
                                     let response = Ok(HostResponse::ContractResponse(
                                         ContractResponse::SubscribeResponse { key, subscribed },

crates/core/src/operations/mod.rs

@@ -126,9 +126,11 @@ where
                     "root operation awaiting child completion"
                 );
 
+                // Track the root op so child completions can finish it later.
                 op_manager
                     .root_ops_awaiting_sub_ops()
                     .insert(tx_id, final_state);
+                tracing::info!(%tx_id, "root operation registered as awaiting sub-ops");
 
                 return Ok(None);
             }